Ferguson, C.A., and Skotnicki, S.J., 1995, Geologic map of the Florence Junction and southern portion of the Weavers Needle 7.5' quadrangles, Pinal County, Arizona (revised May 1996): Arizona Geological Survey Open-File Report 95-10, 27 p., 2 sheets, scale 1:24,000.
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Map, Bedrock, Cross-section, Geochronology, Volcanic, Structure, Stratigraphy, Volcanology, upper rhyodacite lava of Coffee Flat Mountain - Coffee Flat Mountain Fm - Miocene, lower rhyodacite lava and intrusions of Coffee Flat Mountain, (Superstition Fm)(Superstition Tuff)(Superstition Welded Tuff)Apache Leap Tuff - Miocene, (Siphon Draw Mbr - Superstition Tuff)(Siphon Draw rhyodacite tuff)(Siphon Draw welded tuff)(Siphon Draw tuff)Apache Leap Tuff, upper Flatiron unit(upper Flatiron mbr - Superstition Tuff/Superstition Welded Tuff) - Apache Leap Tuff, lower Flatiron unit(lower Flatiron mbr - Superstition Tuff/Superstition Welded Tuff) - Apache Leap Tuff, unit of Miners Needle(Miners Needle mbr - Superstition Tuff)(Miners Needle break - Superstition Welded Tuff) - Apache Leap Tuff, unit of Peralta Canyon(Peralta Canyon mbr - Superstition Tuff)(Peralta mbr - Superstition Welded Tuff) - Apache Leap Tuff, (Hieroglyphic mbr - Superstition Tuff/Superstition Welded Tuff)unit of Hieroglyphic Canyon - Apache Leap Tuff, unit of Queen Valley, lamproite of Elephant Butte, tuff of Comet Peak, unit of Buzzards Roost(dacite of Buzzards Roost)(rhyodacite of Buzzards Roost), Whitlow Canyon Fm(rhyodacite of Whitlow Canyon)(Whitlow Canyon type rhyodacite lava), Tule Canyon Fm(rhyolite lavas of Tule Canyon), dacite of Randolph Canyon, dacite of San Mateo Castro Ranch, tuff of Quarter Circle U Ranch,